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Bellwork: January 27 Copy and define the following words. Theyre: __________________________ Their: ____________________________ There: ____________________________

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CO: I will define taxonomy, recognize the importance of a taxonomic system, and categorize organisms into domains. LO: I will write notes. I will sort organisms with a partner. I will collect bacteria with a partner.

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Classification is the grouping of objects or information based on similarities.

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Name 5 things that people classify on a regular basis?

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For 1 of your 5 things, explain how its classified?

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Taxonomy is the science of grouping and naming organisms. In other words, taxonomy is the process of classifying and naming biological (living) organisms. In Biology:

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7 Domain Kingdom Phylum Class Order Family Genus Species BROADEST TAXON Most Specific copyright cmassengale The major classification levels, from most general to most specific A group at any level is a taxon.

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8 Darling Darling Katy Katy Perry Perry Came Came Over Over For For Great Great Soup! Soup! copyright cmassengale

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Lets look at some animals

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Devil Cat

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Ghost Cat

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Mountain Lion

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Screaming Cat

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Puma

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Florida Panther

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Cougar

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There are at least 50 common names for the animal shown on the previous 7 slides. Common names vary according to region. How could we fix this problem?

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19 Confusion in Using Different Languages for Names copyright cmassengale

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20 Scientific Names are Understood by all Taxonomists copyright cmassengale

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Taxonomists give a unique scientific name to each species they know about whether its alive today or extinct. The scientific name comes from one of two dead languages Latin or ancient Greek.

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The genus name is written first (always Capitalized). The species name is written second (never capitalized). Both words are italicized if typed or underlined if hand written. Example: Felis concolor or F. concolor Which is the genus? The species? Binomial Nomenclature a two name system for writing scientific names. Turdus migratorius Turdus migratorius a

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23 Binomial Nomenclature Which TWO are more closely related? copyright cmassengale

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Now that you know why we need to classify organisms and how to name them; we are going to learn about each taxon in detail.

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Bacteria Collection Timer

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26 Broadest, most inclusive taxonBroadest, most inclusive taxon Include:Include: 1.Archaea (unicellular prokaryotes) 2.Bacteria (unicellular prokaryotes) 3.Eukarya (eukaryotes) Domains copyright cmassengale

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Prokaryotes Eukaryotes

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28 ARCHAEA Kingdom - ARCHAEBACTERIA Probably the 1 st cells to evolve Live in HARSH environments Found in: Sewage Treatment Plants (Methanogens) Thermal or Volcanic Vents (Thermophiles) Hot Springs or Geysers that are acid Very salty water (Dead Sea; Great Salt Lake) - Halophiles copyright cmassengale

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29 ARCHAEAN copyright cmassengale

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30 BACTERIA Kingdom - EUBACTERIA Some may cause DISEASE Found in ALL HABITATS except harsh ones Important decomposers for environment Commercially important in making cottage cheese, yogurt, buttermilk, etc. copyright cmassengale

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31 Live in the intestines of animals copyright cmassengale

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32 Eukarya is Divided into Kingdoms Protista (protozoans, algae)Protista (protozoans, algae) Fungi (mushrooms, yeasts )Fungi (mushrooms, yeasts ) Plantae (multicellular plants)Plantae (multicellular plants) Animalia (multicellular animals)Animalia (multicellular animals) copyright cmassengale